复读验校法。在做完一篇完形填空后，文章完整了，应从头至尾读一遍，根据复读的语感和对整篇短文的理解，将较明显的错误进行改正，个别需要推敲的再做调整，这样就可能少犯错误。
A man who knows how to write a personal letter has a very powerful tool.A letter can be enjoyed，read and __21__.信可以欣赏，读了再读。 It can set up a warm conversation between two people far apart (远离的); it can keep a __22__稍微努力就能保持住一种友谊。 with very little effort.
